He is set to walk away after 40 years in charge of Bayern and reportedly has former Adidas boss Herbert Hainer, his deputy on the club's board, in mind as successor.
Making his first appearance at the Conference, Lewandowski, of course, will be one of the star attractions following a sensational season which saw the 32-year-old sharp-shooter score a staggering 55 goals in just 47 appearances for Bayern Munich.
Hansi Flick's Bavarian giants went into the game seven points clear of second-placed Borussia Dortmund, who have three matches remaining, and extended that gap to an unassailable 10-point advantage.
Bayern Munich on Sunday sacked coach Niko Kovac, a day after the German champions suffered a historic 5-1 loss against Eintracht Frankfurt — their worst Bundesliga
Munich’s Bundesliga title celebrations have been put on ice after Erling Haaland scored in the fifth minute of injury time for Borussia Dortmund to beat Fortuna Düsseldorf 1-0
Lewandowski's inevitable goal, his 55th of the season, came two minutes from time. Bayern as a team have 42 goals in 10 Champions League outings, with this more modest victory following their 8-2 trouncing of Barcelona in the quarter-finals.